(17R)-17-(Trimethylsiloxy)-19-norpregn-4-en-20-yn-3-one
CAS No. 28426-43-9
(17R)-17-(Trimethylsiloxy)-19-norpregn-4-en-20-yn-3-one;17-O-TriMethylsilyl Norethindrone;(17α)-17-[(TriMethylsilyl)oxy]-19-norpregn-4-en-20-yn-3-one;17-(TriMethylsiloxy)-19-nor-17α-pregn-4-en-20-yn-3-one
Unspecified 62229-07-6
AuCd5 62228-73-3
Bifemelane HCl 62232-46-6